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Home Protection devices Busbars and accessories

DIN rail connecting busbars and accessories

Busbars and accessories are used to create electrical connections between modular protection and switching devices in distribution boards. Connecting busbars distribute the power supply across circuit breakers, residual current devices and other compatible DIN rail equipment while reducing the need for individual connecting wires.

The category may include fork-type and pin-type busbars, solutions for different numbers of phases, end caps, connection components and other accessories. Important selection criteria include the number of poles and phases, cross-sectional area, pitch, number of modules, length, rated current and compatibility with the particular modular devices being connected.

Image Product Name Unit Price Product Code Availability Quantity
VEXEN fork-type MCB busbar F45616, 16 mm², 4 phases, 1000 mm, 56 modules VEXEN fork-type MCB busbar F45616, 16 mm², 4 phases, 1000 mm, 56 modules 44.07€ F45616
Stock products
VEXEN pin-type MCB busbar P45616, 16 mm², 4 phases, 1000 mm, 56 modules VEXEN pin-type MCB busbar P45616, 16 mm², 4 phases, 1000 mm, 56 modules 44.07€ P45616
Stock products
Siemens pin busbar, 10 mm², 3P, 12 modules, 5ST3895 Siemens pin busbar, 10 mm², 3P, 12 modules, 5ST3895 6.72€ 5ST3895
Stock products
VEXEN fork-type MCB busbar F30616, 16 mm², 3 phases, 106 mm, 6 modules VEXEN fork-type MCB busbar F30616, 16 mm², 3 phases, 106 mm, 6 modules 5.22€ F30616
Stock products
VEXEN pin-type MCB busbar P11216, 16 mm², 1 phase, 210 mm, 12 modules VEXEN pin-type MCB busbar P11216, 16 mm², 1 phase, 210 mm, 12 modules 3.13€ P11216
Stock products
VEXEN brass distribution busbar ET163, 63 A, 147×16 mm², 1000 mm VEXEN brass distribution busbar ET163, 63 A, 147×16 mm², 1000 mm 12.84€ ET163
Stock products
Siemens pin busbar, 10 mm², 2-phase, 5ST3608 Siemens pin busbar, 10 mm², 2-phase, 5ST3608 7.33€ 5ST3608
Stock products
VEXEN fork-type MCB busbar F10910, 10 mm², 1 phase, 160 mm, 9 modules VEXEN fork-type MCB busbar F10910, 10 mm², 1 phase, 160 mm, 9 modules 2.20€ F10910
Stock products
VEXEN fork-type MCB busbar F30910, 10 mm², 3 phases, 160 mm, 9 modules VEXEN fork-type MCB busbar F30910, 10 mm², 3 phases, 160 mm, 9 modules 4.80€ F30910
Stock products
VEXEN pin-type MCB busbar P15710, 10 mm², 1 phase, 1000 mm, 57 modules VEXEN pin-type MCB busbar P15710, 10 mm², 1 phase, 1000 mm, 57 modules 11.37€ P15710
Stock products
Siemens pin busbar, 10 mm², 1-phase, 5ST3623 Siemens pin busbar, 10 mm², 1-phase, 5ST3623 14.67€ 5ST3623
Stock products
VEXEN fork-type MCB busbar F10916, 16 mm², 1 phase, 160 mm, 9 modules VEXEN fork-type MCB busbar F10916, 16 mm², 1 phase, 160 mm, 9 modules 2.44€ F10916
Stock products
VEXEN fork-type MCB busbar F30916, 16 mm², 3 phases, 160 mm, 9 modules VEXEN fork-type MCB busbar F30916, 16 mm², 3 phases, 160 mm, 9 modules 5.39€ F30916
Stock products
VEXEN pin-type MCB busbar P15716, 16 mm², 1 phase, 1000 mm, 57 modules VEXEN pin-type MCB busbar P15716, 16 mm², 1 phase, 1000 mm, 57 modules 12.38€ P15716
Stock products
Siemens pin busbar, 10 mm², 1-phase, 214 mm, with end caps, 5ST3730 Siemens pin busbar, 10 mm², 1-phase, 214 mm, with end caps, 5ST3730 4.89€ 5ST3730
Stock products
VEXEN fork-type MCB busbar F11210, 10 mm², 1 phase, 210 mm, 12 modules VEXEN fork-type MCB busbar F11210, 10 mm², 1 phase, 210 mm, 12 modules 2.95€ F11210
Stock products
VEXEN fork-type MCB busbar F31210, 10 mm², 3 phases, 210 mm, 12 modules VEXEN fork-type MCB busbar F31210, 10 mm², 3 phases, 210 mm, 12 modules 5.22€ F31210
Stock products
Siemens pin busbar, 10 mm², 1-phase, 1016 mm, without end caps, 5ST3731 Siemens pin busbar, 10 mm², 1-phase, 1016 mm, without end caps, 5ST3731 14.67€ 5ST3731
Stock products
VEXEN fork-type MCB busbar F11216, 16 mm², 1 phase, 210 mm, 12 modules VEXEN fork-type MCB busbar F11216, 16 mm², 1 phase, 210 mm, 12 modules 3.13€ F11216
Stock products
VEXEN fork-type MCB busbar F31216, 16 mm², 3 phases, 210 mm, 12 modules VEXEN fork-type MCB busbar F31216, 16 mm², 3 phases, 210 mm, 12 modules 7.16€ F31216
Stock products
VEXEN fork-type MCB busbar F45616, 16 mm², 4 phases, 1000 mm, 56 modules
VEXEN fork-type MCB busbar F45616, 16 mm², 4 phases, 1000 mm, 56 modules Product Code: F45616 Stock products 44.07€
VEXEN pin-type MCB busbar P45616, 16 mm², 4 phases, 1000 mm, 56 modules
VEXEN pin-type MCB busbar P45616, 16 mm², 4 phases, 1000 mm, 56 modules Product Code: P45616 Stock products 44.07€
Siemens pin busbar, 10 mm², 3P, 12 modules, 5ST3895
Siemens pin busbar, 10 mm², 3P, 12 modules, 5ST3895 Product Code: 5ST3895 Stock products 6.72€
VEXEN fork-type MCB busbar F30616, 16 mm², 3 phases, 106 mm, 6 modules
VEXEN fork-type MCB busbar F30616, 16 mm², 3 phases, 106 mm, 6 modules Product Code: F30616 Stock products 5.22€
VEXEN pin-type MCB busbar P11216, 16 mm², 1 phase, 210 mm, 12 modules
VEXEN pin-type MCB busbar P11216, 16 mm², 1 phase, 210 mm, 12 modules Product Code: P11216 Stock products 3.13€
VEXEN brass distribution busbar ET163, 63 A, 147×16 mm², 1000 mm
VEXEN brass distribution busbar ET163, 63 A, 147×16 mm², 1000 mm Product Code: ET163 Stock products 12.84€
Siemens pin busbar, 10 mm², 2-phase, 5ST3608
Siemens pin busbar, 10 mm², 2-phase, 5ST3608 Product Code: 5ST3608 Stock products 7.33€
VEXEN fork-type MCB busbar F10910, 10 mm², 1 phase, 160 mm, 9 modules
VEXEN fork-type MCB busbar F10910, 10 mm², 1 phase, 160 mm, 9 modules Product Code: F10910 Stock products 2.20€
VEXEN fork-type MCB busbar F30910, 10 mm², 3 phases, 160 mm, 9 modules
VEXEN fork-type MCB busbar F30910, 10 mm², 3 phases, 160 mm, 9 modules Product Code: F30910 Stock products 4.80€
VEXEN pin-type MCB busbar P15710, 10 mm², 1 phase, 1000 mm, 57 modules
VEXEN pin-type MCB busbar P15710, 10 mm², 1 phase, 1000 mm, 57 modules Product Code: P15710 Stock products 11.37€
Siemens pin busbar, 10 mm², 1-phase, 5ST3623
Siemens pin busbar, 10 mm², 1-phase, 5ST3623 Product Code: 5ST3623 Stock products 14.67€
VEXEN fork-type MCB busbar F10916, 16 mm², 1 phase, 160 mm, 9 modules
VEXEN fork-type MCB busbar F10916, 16 mm², 1 phase, 160 mm, 9 modules Product Code: F10916 Stock products 2.44€
VEXEN fork-type MCB busbar F30916, 16 mm², 3 phases, 160 mm, 9 modules
VEXEN fork-type MCB busbar F30916, 16 mm², 3 phases, 160 mm, 9 modules Product Code: F30916 Stock products 5.39€
VEXEN pin-type MCB busbar P15716, 16 mm², 1 phase, 1000 mm, 57 modules
VEXEN pin-type MCB busbar P15716, 16 mm², 1 phase, 1000 mm, 57 modules Product Code: P15716 Stock products 12.38€
Siemens pin busbar, 10 mm², 1-phase, 214 mm, with end caps, 5ST3730
Siemens pin busbar, 10 mm², 1-phase, 214 mm, with end caps, 5ST3730 Product Code: 5ST3730 Stock products 4.89€
VEXEN fork-type MCB busbar F11210, 10 mm², 1 phase, 210 mm, 12 modules
VEXEN fork-type MCB busbar F11210, 10 mm², 1 phase, 210 mm, 12 modules Product Code: F11210 Stock products 2.95€
VEXEN fork-type MCB busbar F31210, 10 mm², 3 phases, 210 mm, 12 modules
VEXEN fork-type MCB busbar F31210, 10 mm², 3 phases, 210 mm, 12 modules Product Code: F31210 Stock products 5.22€
Siemens pin busbar, 10 mm², 1-phase, 1016 mm, without end caps, 5ST3731
Siemens pin busbar, 10 mm², 1-phase, 1016 mm, without end caps, 5ST3731 Product Code: 5ST3731 Stock products 14.67€
VEXEN fork-type MCB busbar F11216, 16 mm², 1 phase, 210 mm, 12 modules
VEXEN fork-type MCB busbar F11216, 16 mm², 1 phase, 210 mm, 12 modules Product Code: F11216 Stock products 3.13€
VEXEN fork-type MCB busbar F31216, 16 mm², 3 phases, 210 mm, 12 modules
VEXEN fork-type MCB busbar F31216, 16 mm², 3 phases, 210 mm, 12 modules Product Code: F31216 Stock products 7.16€

Connecting busbars for modular devices

Connecting busbars, also known as comb busbars, distribute the electrical supply between multiple DIN rail devices. They are used in distribution boards to connect circuit breakers, residual current devices, combined protection devices and other compatible modular equipment. Busbars help create an organised installation and reduce the number of individually prepared wire connections.

Fork-type or pin-type busbars are selected according to the terminal design of the connected devices. They may be intended for single-phase or multiphase systems and can differ in cross-sectional area, pitch, number of modules and total length. Some busbars can be adapted to the required number of devices when the manufacturer’s cutting and insulation instructions are followed.

How to choose a busbar and its accessories

  • Connection type: the fork or pin profile must match the terminal design of the modular devices.
  • Number of phases and poles: the busbar must correspond to the distribution board circuit and device configuration.
  • Pitch: the spacing between contacts must match the terminal positions of the connected devices.
  • Cross-section and current rating: the electrical ratings of the busbar must be suitable for the intended load.
  • Length and number of modules: determine the required number of connection points and the overall busbar size.
  • Compatibility: verify that the busbar is suitable for the particular device series and installation arrangement.
  • Accessories: end caps and protective components may be required to insulate unused or cut ends safely.

The busbar must be installed according to the distribution board circuit diagram and the documentation of the connected devices. Before energising the installation, check the contact positions, terminal tightness and insulation of all current-carrying parts.